[{"data":1,"prerenderedAt":318},["ShallowReactive",2],{"page:\u002Fen\u002Frestoration-and-renovation\u002F":3,"nav:en":242},{"kind":4,"locale":5,"path":6,"alternates":7,"seo":11,"breadcrumbs":15,"jsonld":21,"data":164,"dims":231},"service","en","\u002Fen\u002Frestoration-and-renovation\u002F",{"tr":8,"en":6,"ar":9,"ru":10},"\u002Frestorasyon-ve-renovasyon\u002F","\u002Far\u002Frestoration-and-renovation\u002F","\u002Fru\u002Frestavratsiya-i-renovatsiya\u002F",{"title":12,"description":13,"image":14,"canonical":6},"Historic Building Restoration and Renovation in Turkey | ÇET Yapı","Historic building restoration in Turkey: survey, restitution and conservation council approval for listed buildings, and renovation. Topkapı Safa Bath.","\u002Fimages\u002Fuploads\u002F2025\u002F04\u002Ftopkapi-safa-hamami-img-01.jpg",[16,19],{"text":17,"href":18},"Home","\u002Fen\u002F",{"text":20},"Historic Building Restoration and Renovation",[22,32,50,71],{"@type":23,"itemListElement":24},"BreadcrumbList",[25,29],{"@type":26,"position":27,"name":17,"item":28},"ListItem",1,"https:\u002F\u002Fwww.cetyapi.com.tr\u002Fen\u002F",{"@type":26,"position":30,"name":20,"item":31},2,"https:\u002F\u002Fwww.cetyapi.com.tr\u002Fen\u002Frestoration-and-renovation\u002F",{"@type":33,"@id":34,"name":20,"serviceType":35,"description":13,"provider":36,"url":31,"areaServed":38,"subjectOf":41},"Service","https:\u002F\u002Fwww.cetyapi.com.tr\u002Fen\u002Frestoration-and-renovation\u002F#service","Historic building restoration and building renovation",{"@id":37},"https:\u002F\u002Fwww.cetyapi.com.tr\u002F#organization",{"@type":39,"name":40},"Country","Türkiye",[42,44,46,48],{"@id":43},"https:\u002F\u002Fwww.cetyapi.com.tr\u002Fen\u002Fprojects\u002Ftopkapi-safa-hamami\u002F#project",{"@id":45},"https:\u002F\u002Fwww.cetyapi.com.tr\u002Fen\u002Fprojects\u002Fcevizlibag-doga-college\u002F#project",{"@id":47},"https:\u002F\u002Fwww.cetyapi.com.tr\u002Fen\u002Fprojects\u002Fguzelce-doga-college\u002F#project",{"@id":49},"https:\u002F\u002Fwww.cetyapi.com.tr\u002Fen\u002Fprojects\u002Fbesiktas-geo-college\u002F#project",{"@type":51,"mainEntity":52},"FAQPage",[53,59,63,67],{"@type":54,"name":55,"acceptedAnswer":56},"Question","What is the difference between restoration and renovation?",{"@type":57,"text":58},"Answer","Restoration is the repair of a listed or historically valuable building while preserving its original features, and it requires the approval of the Regional Council for the Conservation of Cultural Heritage. Renovation is the upgrading of an existing building to today's needs and to a new use.",{"@type":54,"name":60,"acceptedAnswer":61},"How does the restoration of a listed building start?",{"@type":57,"text":62},"First the current state of the building is documented with a measured survey (rölöve); then restitution (a reconstruction of the original state) and restoration projects are prepared. These projects are submitted to the Regional Conservation Council, and no work can begin without its approval.",{"@type":54,"name":64,"acceptedAnswer":65},"Can a historic building be given a new use?",{"@type":57,"text":66},"New uses that do not harm the building's original features and are approved by the council are possible. Topkapı Safa Bath was brought back into use by ÇET Yapı in 2010 together with Topkapı Doğa College on the same city block.",{"@type":54,"name":68,"acceptedAnswer":69},"Is it better to renovate an old building or to demolish and rebuild it?",{"@type":57,"text":70},"The decision depends on the condition of the structural system, earthquake safety, zoning rights and cost taken together. Our guide comparing seismic retrofit with rebuilding explains the criteria for this decision.",{"@type":72,"@id":37,"name":75,"alternateName":76,"legalName":80,"identifier":81,"hasCredential":89,"url":96,"logo":97,"image":99,"description":100,"foundingDate":101,"founder":102,"email":105,"telephone":106,"address":107,"geo":114,"hasMap":118,"contactPoint":119,"openingHoursSpecification":124,"areaServed":134,"knowsAbout":153,"sameAs":161},[73,74],"Organization","GeneralContractor","ÇET Yapı Turizm A.Ş.",[77,78,79],"ÇET Yapı","Çet Yapı","CET Yapi","ÇET YAPI TURİZM ANONİM ŞİRKETİ",[82,86],{"@type":83,"propertyID":84,"value":85},"PropertyValue","MERSİS","0242051074500011",{"@type":83,"propertyID":87,"value":88},"İstanbul Ticaret Sicil No","818550-0",{"@type":90,"credentialCategory":91,"name":92,"recognizedBy":93},"EducationalOccupationalCredential","license","Yapı Müteahhitliği Yetki Belgesi – E grubu (No 0034211566204056)",{"@type":94,"name":95},"GovernmentOrganization","T.C. Çevre, Şehircilik ve İklim Değişikliği Bakanlığı","https:\u002F\u002Fwww.cetyapi.com.tr\u002F",{"@type":98,"url":99},"ImageObject","https:\u002F\u002Fwww.cetyapi.com.tr\u002Fimages\u002Ftheme\u002Fcet-yapi-logo.png","Founded in Istanbul in 1993, ÇET Yapı is a Turkish contractor delivering turnkey school campuses, housing, urban transformation, design and restoration.","1993",{"@type":103,"name":104},"Person","Doç. Dr. Ahmet Çetinsaya","info@cetyapi.com.tr","+902126623000",{"@type":108,"streetAddress":109,"addressLocality":110,"addressRegion":111,"postalCode":112,"addressCountry":113},"PostalAddress","Çobançeşme Mah. Sanayi Cad. No:44 Nish İstanbul Residence D Blok D:186 Yenibosna","Bahçelievler","İstanbul","34197","TR",{"@type":115,"latitude":116,"longitude":117},"GeoCoordinates",40.99583,28.82442,"https:\u002F\u002Fwww.google.com\u002Fmaps\u002Fsearch\u002F?api=1&query=40.99583,28.82442",{"@type":120,"contactType":121,"telephone":106,"email":105,"areaServed":113,"availableLanguage":122},"ContactPoint","customer service",[123],"Turkish",{"@type":125,"dayOfWeek":126,"opens":132,"closes":133},"OpeningHoursSpecification",[127,128,129,130,131],"Monday","Tuesday","Wednesday","Thursday","Friday","09:00","18:00",[135,136,138,141,143,145,147,149,151],{"@type":39,"name":40},{"@type":137,"name":111},"City",{"@type":139,"name":140},"AdministrativeArea","Beşiktaş, İstanbul",{"@type":139,"name":142},"Kadıköy, İstanbul",{"@type":139,"name":144},"Sarıyer, İstanbul",{"@type":139,"name":146},"Bakırköy, İstanbul",{"@type":139,"name":148},"Üsküdar, İstanbul",{"@type":139,"name":150},"Şişli, İstanbul",{"@type":139,"name":152},"Bahçelievler ve Güngören, İstanbul",[154,155,156,157,158,159,160],"School construction","Educational campus construction","Urban transformation","Real estate development","Architectural design","Historic building restoration","Turnkey construction",[162,163],"https:\u002F\u002Fwww.instagram.com\u002Fcet_yapi\u002F","https:\u002F\u002Fx.com\u002FCetYapi",{"title":20,"lead":165,"html":166,"toc":167,"faq":177,"image":14,"imageAlt":182,"stats":183,"clients":193,"projects":195,"guides":220,"urbanCta":230},"Some buildings deserve to be preserved rather than demolished and rebuilt; others deserve to be adapted to a new use. ÇET Yapı brought a listed historic bathhouse back into use as part of an education campus and renovated existing buildings as schools.","\u003Ch2 id=\"restoration-bringing-a-building-back-to-life-while-preserving-its-original-value\">Restoration: bringing a building back to life while preserving its original value\u003C\u002Fh2>\n\u003Cp>Repairing a historic building is a different discipline from constructing a new one. The aim is not only to strengthen the structure but to make it usable again \u003Cstrong>while preserving its original features\u003C\u002Fstrong>. For listed buildings, the process starts with measured survey, restitution and restoration projects; these are submitted for approval to the Regional Council for the Conservation of Cultural Heritage, and supervision continues throughout the works. We describe the process step by step in our \u003Ca href=\"\u002Fen\u002Fblog\u002Fhistoric-building-restoration-process-in-turkey\u002F\">historic building restoration guide\u003C\u002Fa>.\u003C\u002Fp>\n\u003Ch3 id=\"topkapi-safa-bath\">Topkapı Safa Bath\u003C\u002Fh3>\n\u003Cp>The historic Safa Bath in Topkapı, Istanbul was handled together with Topkapı Doğa College on the same city block. The bathhouse, with a construction area of 510 m², was restored in about 5 months in 2010, brought back into use as part of the education campus and handed over on 12 November 2010. According to the project record, in its new use the building houses technology-design, painting and sculpture workshops as well as public relations and lobby areas.\u003C\u002Fp>\n\u003Ch2 id=\"renovation-adapting-an-existing-building-to-a-new-use\">Renovation: adapting an existing building to a new use\u003C\u002Fh2>\n\u003Cp>Not every old building is a historic monument, but not every old building has to be demolished either. A building with a suitable structural system can be completely reorganised for a new use. A large share of ÇET Yapı's renovation projects are education buildings:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Cstrong>Cevizlibağ Doğa College (Zeytinburnu):\u003C\u002Fstrong> 9,612 m² construction area; 49 classrooms, 3 laboratories, a 344-seat conference hall, sports hall and pool. Completed in 4 months in 2012 and handed over at the start of the academic year, on 17 September 2012.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Güzelce Doğa College (Büyükçekmece):\u003C\u002Fstrong> 5,436 m² construction area; 35 classrooms, 3 laboratories, a 371-seat conference hall, sports hall, pool and riding track. Completed in 7 months in 2012.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Beşiktaş Geo College:\u003C\u002Fstrong> school building renovation; the project started in 2018.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2 id=\"before-you-decide\">Before you decide\u003C\u002Fh2>\n\u003Cp>Whether a building should be renovated or demolished and rebuilt is decided by looking at the condition of the structural system, earthquake safety, zoning rights and cost together. You can find the criteria in our guide \u003Ca href=\"\u002Fen\u002Fblog\u002Fseismic-retrofit-or-rebuild-turkey\u002F\">seismic retrofit or rebuild\u003C\u002Fa>. If there is any uncertainty about your building's earthquake risk, the right place to start is the \u003Ca href=\"\u002Fen\u002Fblog\u002Frisky-building-assessment-in-turkey\u002F\">risky building assessment\u003C\u002Fa> process.\u003C\u002Fp>\n",[168,171,174],{"id":169,"text":170},"restoration-bringing-a-building-back-to-life-while-preserving-its-original-value","Restoration: bringing a building back to life while preserving its original value",{"id":172,"text":173},"renovation-adapting-an-existing-building-to-a-new-use","Renovation: adapting an existing building to a new use",{"id":175,"text":176},"before-you-decide","Before you decide",[178,179,180,181],{"q":55,"a":58},{"q":60,"a":62},{"q":64,"a":66},{"q":68,"a":70},"Topkapı Safa Bath, restored by ÇET Yapı",[184,187,190],{"value":185,"label":186},"4","Reference projects",{"value":188,"label":189},"15,558 m²","Total construction area",{"value":191,"label":192},"2010–2018","Years",[194],"Doğa College",[196,202,208,214],{"href":197,"title":198,"label":199,"image":14,"place":200,"area":201},"\u002Fen\u002Fprojects\u002Ftopkapi-safa-hamami\u002F","Topkapı Safa Bath","Renovation Restoration","Topkapı, Istanbul","510 m²",{"href":203,"title":204,"label":199,"image":205,"place":206,"area":207},"\u002Fen\u002Fprojects\u002Fcevizlibag-doga-college\u002F","Cevizlibağ Doğa College","\u002Fimages\u002Fuploads\u002F2025\u002F04\u002Fcevizlibag-doga-koleji-img-01.jpg","Cevizlibağ, Zeytinburnu, Istanbul","9,612 m²",{"href":209,"title":210,"label":199,"image":211,"place":212,"area":213},"\u002Fen\u002Fprojects\u002Fguzelce-doga-college\u002F","Güzelce Doğa College","\u002Fimages\u002Fuploads\u002F2025\u002F04\u002Fguzelce-doga-koleji-img-01.jpg","Güzelce, Büyükçekmece, Istanbul","5,436 m²",{"href":215,"title":216,"label":199,"image":217,"place":218,"area":219},"\u002Fen\u002Fprojects\u002Fbesiktas-geo-college\u002F","Beşiktaş Geo College","\u002Fimages\u002Fuploads\u002F2025\u002F04\u002Fbesiktas-geo-koleji-img-01.jpg","Beşiktaş, Istanbul","",[221,224,227],{"href":222,"title":223},"\u002Fen\u002Fblog\u002Fhistoric-building-restoration-process-in-turkey\u002F","How Historic Building Restoration Works in Turkey: Survey, Restitution and Conservation Council Approval",{"href":225,"title":226},"\u002Fen\u002Fblog\u002Fseismic-retrofit-or-rebuild-turkey\u002F","Seismic Retrofit or Rebuild? Methods, Legal Conditions and a Decision Guide for Turkish Buildings (2026)",{"href":228,"title":229},"\u002Fen\u002Fblog\u002Frisky-building-assessment-in-turkey\u002F","Risky Building Assessment in Turkey: Application, Deadlines, Objections and the Title Deed Note (2026)",null,{"\u002Fimages\u002Fuploads\u002F2025\u002F04\u002Ftopkapi-safa-hamami-img-01.jpg":232,"\u002Fimages\u002Fuploads\u002F2025\u002F04\u002Fcevizlibag-doga-koleji-img-01.jpg":235,"\u002Fimages\u002Fuploads\u002F2025\u002F04\u002Fguzelce-doga-koleji-img-01.jpg":238,"\u002Fimages\u002Fuploads\u002F2025\u002F04\u002Fbesiktas-geo-koleji-img-01.jpg":239},[233,234],700,400,[236,237],800,533,[236,237],[240,241],781,480,{"home":18,"corporate":243,"services":262,"projectTypes":268,"allProjects":278,"news":279,"blog":280,"contact":281,"urban":284,"legal":287,"legalPages":303,"languages":304},[244,247,250,253,256,259],{"href":245,"title":246},"\u002Fen\u002Fabout-us\u002F","About Us",{"href":248,"title":249},"\u002Fen\u002Fchairmans-message\u002F","Chairman's Message",{"href":251,"title":252},"\u002Fen\u002Four-mission-and-vision\u002F","Our Mission and Vision",{"href":254,"title":255},"\u002Fen\u002Fhistory\u002F","History",{"href":257,"title":258},"\u002Fen\u002Fquality-policy\u002F","Our Quality Policy",{"href":260,"title":261},"\u002Fen\u002Fhuman-resources\u002F","Human Resources",[263,266],{"href":264,"title":265},"\u002Fen\u002Fschool-construction\u002F","School Construction",{"href":6,"title":267},"Restoration & Renovation",[269,272,275],{"href":270,"title":271},"\u002Fen\u002Fproject-type\u002Fcontracting-services\u002F","Contracting Services",{"href":273,"title":274},"\u002Fen\u002Fproject-type\u002Freal-estate-development\u002F","Real Estate Development",{"href":276,"title":277},"\u002Fen\u002Fproject-type\u002Farchitectural-project\u002F","Architectural Project","\u002Fen\u002Fprojects\u002F","\u002Fen\u002Fcategory\u002Fnews\u002F","\u002Fen\u002Fblog\u002F",{"href":282,"title":283},"\u002Fen\u002Fcontact-us\u002F","Contact Us",{"href":285,"title":286},"\u002Fen\u002Furban-transformation\u002F","Urban Transformation",[288,291,294,297,300],{"href":289,"title":290},"\u002Fen\u002Fcookie-policy\u002F","Cookie Policy",{"href":292,"title":293},"\u002Fen\u002Furban-transformation-pre-application-privacy-notice\u002F","Urban Transformation Pre-Application Form Privacy Notice",{"href":295,"title":296},"\u002Fen\u002Fcommercial-electronic-message-consent\u002F","Commercial Electronic Message Consent",{"href":298,"title":299},"\u002Fen\u002Fpersonal-data-retention-and-destruction-policy\u002F","Personal Data Retention and Destruction Policy",{"href":301,"title":302},"\u002Fen\u002Fprivacy-and-security-policy\u002F","Privacy and Security Policy",{"cerez-politikasi":289,"kentsel-donusum-aydinlatma-metni":292,"ticari-elektronik-ileti-onayi":295,"kisisel-veri-saklama-ve-imha-politikasi":298,"gizlilik-ve-guvenlik-politikasi":301},[305,308,310,314],{"code":306,"label":113,"home":307},"tr","\u002F",{"code":5,"label":309,"home":18},"EN",{"code":311,"label":312,"home":313},"ar","AR","\u002Far\u002F",{"code":315,"label":316,"home":317},"ru","RU","\u002Fru\u002F",1793568929251]